关于保护濒危动物的英语作文
题目
关于保护濒危动物的英语作文
答案
With the development of economic,people now living a better life.But at the same time,many of the earth's animals have already died out.
Nowdays,more and more animals lost their homes and they have no choice but to face the sorrow of missing relatives and friends.What makes it comes about?What makes their living condition even worse?The answer is human!Some people cut down plenty of trees to make fortunes,which damaged the forest and made the animals lost their home.And there are also some greedy people even hunt for animals to make money,which lead a terrible result--a number of animals are in danger.
Each anmimal especially wildlife is our friend,they play an important role in ecological balance.So,lets take action,planting trees,buliding birdhouses and so on to pretect our earth.
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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